Home / 15,478.18-23,216.28-4,386.34

Finding the Fourth Proportional to 15,478.18, 23,216.28 and 4,386.34

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Solution

The fourth proportional to 15,478.18, 23,216.28 and 4,386.34 is: 6,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.18 : 23,216.28 = 4,386.34 : x
  2. Step 2: Convert to fraction form
    15,478.18/23,216.28 = 4,386.34/x
  3. Step 3: Cross multiply
    15,478.18x = 23,216.28 × 4,386.34
  4. Step 4: Simplify right side
    15,478.18x = 101,834,497.62
  5. Step 5: Solve for x
    x = 101,834,497.62/15,478.18
  6. Step 6: Final answer
    x = 6,579.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.